package cn.com.klun.tjy.other.tests;

import java.math.BigDecimal;

public class RoundHalfDownTest {

    public static void main(String[] args) {
        String a = "2.5598";
        BigDecimal b = new BigDecimal(a).setScale(2,BigDecimal.ROUND_DOWN);
        System.out.println(b);
    }

}
